Headphone case



FIG. 1 is a top-right-front perspective view showing the headphone case of our design;

FIG. 2 is a bottom-right-rear perspective view;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left-side view thereof;

FIG. 6 is a right-side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof. 

CLAIM The ornamental design for a headphone case, as shown and described. 